February 3 - Eastern Orthodox liturgical calendar - February 5

All fixed commemorations below are observed on February 17 by Eastern Orthodox Churches on the Old Calendar.^{[note 1]}

For February 4th, Orthodox Churches on the Old Calendar commemorate the Saints listed on January 22.

• Afterfeast of the Meeting of our Lord in the Temple.^[1]

• Martyrs Jadorus and Isidore, who suffered under Decius (3rd century)^[2][3][4]
• Hieromartyr Phileas, Bishop of Thmuis, and Martyr Philoromus the Magistrate (c. 303)^{[2][4][5][note 2]}
• Martyr Theoctistus, by the sword.^[7][8]
• Venerable John of Irenopolis, Bishop of Irenopolis, Cilicia and one of the 318 fathers of Nicaea (c. 325)^[2][4][8][9]
• Hieromartyr Abramius of Arbela, Bishop of Arbela in Assyria (c. 344–347)^{[2][8][10][11]}
• Venerable Isidore of Pelusium (c. 436–440)^{[2][6][8][12][13][14][note 3]}
• Saint Evagrius, fellow-ascetic of St. Shio of Mgvime, Georgia (6th century)^{[2][4][15][16]}
• Venerable Nicetas of Pythiae (modern Kouri) (pre-iconoclasm)^[8][17]
• Venerable Iasimos the Wonderworker (Jasim), monk and healer.^[8][18]
• Venerable Nicholas the Confessor, Abbot, of the Studion Monastery (868)^{[2][8][19][20][21]}

• Martyrs Aquilinus, Geminus, Gelasius, Magnus and Donatus, martyrs in 'Forum Sempronii', which has been interpreted as Fossombrone in central Italy (3rd century)^{[6][22][note 4]}
• Martyr Eutychius, in Rome under Diocletian (4th century)^{[22][note 5][note 6]}
• Saint Aventinus of Chartres, Bishop of Chartres (c. 520)^[22][23]
• Saint Aventinus of Troyes, an almoner to St Lupus, Bishop of Troyes, then became a hermit at Saint-Aventin (c. 538)^[6][22][24]
• Saint Vincent of Troyes, Bishop of Troyes (c. 546)^[22]
• Hieromartyr Aldate of Gloucester (6th century)^{[2][4][22][note 7][note 8]}
• Saint Modan, Abbot of Stirling and Falkirk (6th century)^{[4][22][26][note 9][note 10]}
• Saint Liephard, a bishop and companion of King Cædwalla of Wessex during the latter's pilgrimage to Rome, martyred near Cambrai in France (690)^{[22][note 11]}
• Saint Vulgis, Bishop and Abbot of Lobbes Abbey in Belgium (c. 760)^[22]
• Saint Nithard, a monk at Corbie Abbey in Saxony in Germany and a companion of St Ansgar, whom he followed to Sweden as a missionary, martyred there by pagan Swedes (845)^[22]
• Saint Rabanus Maurus, archbishop of Mainz (856)^[28]
• Saint Rembert, Bishop of Hamburg-Bremen (865)^{[6][22][29][note 12]}

• Right-Believing George Vsievolodovich of Vladimir, Great Prince of Vladimir (1238)^{[2][4][30][31]}
• Venerable Abraham and Coprius, founders of Pechenga Monastery in Vologda (15th century)^{[2][4][32][33]}
• Venerable Cyril, Abbot and Wonderworker of New Lake Monastery (Novoezersk) in Novgorod (1532)^{[2][34][35][note 13]} (see also November 7)
• New Martyr Joseph of Aleppo in Syria (1686)^[2]

• Repose of the royal recluse Nun Dosithea of Moscow (1810)^[2][46]

• Venerable Isidore of Pelusium.
• Venerable Nicholas the Confessor, Abbot, of the Studion Monastery.
• Venerable Cyril of Novoezersk.
• New Hieromartyr Methodius (Krasnoperov), Bishop of Petropavlovsk.
• Virgin-martyr Ekaterina Dekalina.